Xiaomi replacement Li-on polymer battery BM4W

The BM4W battery is a high‑capacity internal battery designed to replace the worn‑out original in the Xiaomi Mi 10T Lite 5G model.

Specifications

• <p> Battery Model</p><p> BM4W (replacement part number) &nbsp;</p><p> Battery Type</p><p> Rechargeable Lithium‑ion Polymer (Li‑Po) &nbsp;</p><p> Capacity</p><p> 4720 mAh (some listings also note ~4820 mAh depending on source/version) &nbsp;</p><p> Energy</p><p> ~18.2 Wh &nbsp;</p><p> Nominal Voltage</p><p> 3.85 V &nbsp;</p><p> Maximum Charge Voltage</p><p> Around 4.40 V (typical charging limit) &nbsp;</p><p> Chemistry</p><p> Lithium‑ion / Li‑ion polymer cell &nbsp;</p><p> Condition</p><p> Brand‑new replacement battery (aftermarket/OEM grade) &nbsp;</p><p> Color</p><p> Typically Black &nbsp;</p><p> Certifications</p><p> CE, UL, RoHS, ISO safety certifications (varies by seller) &nbsp;</p><p> Compatible Devices</p><p> Xiaomi Mi 10T Lite 5G (primary compatibility) — battery used as the internal power source; some sellers also list compatibility with Mi 10i 5G and similar variants using the same part number BM4W &nbsp;</p><p> Installation</p><p> Internal battery — non‑removable design; professional installation recommended unless you have experience with smartphone repairs &nbsp;</p><p> Warranty &amp; Service</p><p> Many retailers offer 12‑month warranty and 30‑day return policies (seller dependent) &nbsp;</p><p> </p>